KTL is a duo made up of Stephen O’Malley (Sunn O))), Khanate) and  Editions Mego head Peter Rehberg (Pita), originally formed to create the  music for a theater production titled Kindertotenlieder by Gisèle  Vienne and Dennis Cooper. According to its creators KTL is  "Threatening new collaboration taking in parallel worlds of Extreme  Computer Music and Black Metal".